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How troubleshoot a honeywell smart gas valve model sv9541m2094

Gas valve opens only some times, most of the times at the second try

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

SRF518
  • 232 Answers

SOURCE: where is the model number on a honeywell gas valve

should be printed in black on the valve

Posted on Oct 16, 2009

  • 89 Answers

SOURCE: I 've got an Intertherm G3RA-072A-13. It has a

You have a limit switch open. See if you can see any little button switches with 2 wires going to it, check all these for continuity

Posted on Nov 01, 2009

  • 2464 Answers

SOURCE: Weil McLain boiler for baseboard heating at home.

Hi is there a flame sensor on it , sounds like in needs cleaning along with the pilot light try this it might help

Posted on Jan 28, 2010

  • 1033 Answers

SOURCE: Gas furnace with Honeywell smart valve code error

Hello, it sounds like your Furnace might be shutting off due to your high limit switch.A limit switch will open when the furnace overheats due to low airflow, . check air filter, clean blower wheel, and check to make sure the blower wheel is running at proper speed and not dragging sometimes cause by a weak capacitor. Anything that restricts airflow will cause a limit switch to open.

Posted on Mar 08, 2011

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1 Answer

Smart gas valve get 24v. but pilot will not spark or light


Do you have 24 volts at the gas valve terminals when the pressure switch closes?

Dec 17, 2013 | Honeywell Furnace Gas Valve Sv9501h2409

1 Answer

My garage furnace won't turn on the igniter and even if I heat the heat sensor manually, it won't open gas. It has the Honeywell smart valve Sv9540 in it


If the gas valve has the brown round knob, then there is a little slide-out circuit board underneath when you remove the two special security bit screws, prone for bad solder connections. The solder cracks right where the plugs attach. If it does not have the brown knob, it sounds like bad gas valve.

Oct 29, 2013 | Heating & Cooling

1 Answer

Is the honeywell wv8840B1109 like a smart meter. I was concerned after they installed this on my new water heater. It's basically an alarm for if the pilot shuts off. Seems awfully big to just be for that....


Thanks for photo link. Not a smart meter.
Just ordinary water heater gas control valve, with small circuit board to support error codes:
Copy following link for handy resources:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://www.thetankatwaterheaterrescue.com/forums/forum3/
http://waterheatertimer.org/How-to-replace-Honeywell-gas-control-valve.html
How the newer gas control valves are different: Old water heater had thermocouple which supplies very tiny current to gas control valve. When pilot light blows out, the thermocouple no longer sends tiny current and gas control valve shuts off gas to heater.
New gas water heaters have thermopile (just like modern furnaces and stoves), which is basically several thermocouples bunched together. So thermopile sends more current to gas control valve, and supplies enough current to power small circuit board. The circuit board records error events and issues simple error codes. If pilot blows out, then thermopile no longer sends current and gas control valve shuts off gas to heater.
Moreover, the new gas control valve can be repaired and replaced without removing from tank. So tank does not have to be drained... saving time and repair cost.
Gene

Aug 09, 2013 | Water Heaters

1 Answer

My Honeywell Water Heater Thermostat will turn on for 30 seconds. Then it shuts down- wait 5 seconds turn it off EITHER with the ON/OFF switch OR by turning thermostat to off & back on immediately! If...


Time to call qualified service technician. And watch what that person does to learn about your water heater.
I assume you have Honeywell Icon gas valve. Honeywell makes different several model numbers.

Here is 'typical' Honeywell Icon gas valve service manual for Bradford White, that may or may not apply to your water heater. It shows testing for Icon and disassembly instructions, and error codes.
http://waterheatertimer.org/pdf/Bradford-white-service-manual-44943-D.pdf

Gas water heaters today require yearly service that includes cleaning burner parts and combustion chamber, checking vent and air intake, electrical connections, testing gas valve, checking gas pressure, bleeding air out of gas line, etc. These are things you can learn to do by reading service manual, and making sure you have a spare water heater around to connect real quick if experiment goes wrong.
If Icon gas valve is problem, that control is modular and can be replaced without draining tank.
http://waterheatertimer.org/How-to-install-gas-water-heater.html#troubleshoot

Aug 07, 2011 | Honeywell Water Heaters

1 Answer

Gas furnace with Honeywell smart valve code error 6:2, replaced the following: pressure switch, smart valve, ignitor flame sensor and control board. Cleaned out the condensate line. Still getting 6:2 flash...


Hello, it sounds like your Furnace might be shutting off due to your high limit switch.A limit switch will open when the furnace overheats due to low airflow, . check air filter, clean blower wheel, and check to make sure the blower wheel is running at proper speed and not dragging sometimes cause by a weak capacitor. Anything that restricts airflow will cause a limit switch to open.

Mar 08, 2011 | Honeywell Heating & Cooling

1 Answer

Hi, I want to replace my Honeywell gas valve ( Model VR8440P2088), but I don't know with model is compatible to replace it. Can I replace it with different model ? Please help. Thanks


It is very important that you replace your gas appliance with the same model gas valve. Gas valves function diferently from appliance to appliance. Some open slow, some are two stage, ect. Your safety is very important!!!! To save a few dollars on a gas valve not for your application is dangerous.

Mar 15, 2010 | Honeywell Heating & Cooling

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